MIAMI -- The line for Nationals right-hander Stephen Strasburg since he came off the disabled list late last season keeps improving, his latest gem coming in Tuesday night's 7-0 victory against the Marlins.

Strasburg held Miami to three hits, two of which did not leave the infield, in eight shutout innings while striking out 10 batters. In his last 16 starts dating back to last season, Strasburg owns a 1.65 ERA and 0.80 WHIP with a strikeout-to-walk ratio of 131-to-19.

"He's coming into his own. It's incredible," Bryce Harper said. "You see what he did in college. He had so much pressure going through the Minors, coming up and everything, got hurt, trying to get back into it with his ankle and things like that. Then, the second half last year was absolutely ridiculous. Now, he's putting up video game numbers again."

Nationals thunder and lightning

Harper and Strasburg are Nats' thunder and lightning

Bryce Harper's powerful bat supplies the thunder, with two grand slams and Stephen Strasburg provides the lightning in his last two starts

Through the first three starts of this season, Strasburg holds a 1.25 ERA, off to a fast start after injuries hampered him for much of the beginning of 2015.

"I don't really try and worry about injuries and everything like that," Strasburg said. "Last year, it is what it is, but I learned a lot from it, so I'm just trying to build off of each outing."

Consider Marlins manager Don Mattingly impressed: "That's probably the best I've seen him. I haven't seen him too much. But to me, he had a lot of stuff working tonight. His changeup was really good. He uses all of his pitches.

"He's not a guy just out there throwing. He's using all of his weapons."

Jamal Collier is a reporter for MLB.com. Follow him on Twitter at @jamalcollier. This story was not subject to the approval of Major League Baseball or its clubs.